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Create a free body diagram of your work for each question, along with a step-by-step solution to the problem. In other words, I need to see all your steps.
Question 1:
A car with 60 cm diameter tires is traveling at a constant speed of 100 km/hr. What is the angular velocity of the tires in rad/s?
Question 2:
A 3 kg ball is traveling in a circle of radius 2 meters with a tangential velocity of 2 meters/second. Find the centripetal acceleration of the ball and the centripetal force acting on it.
Question 3:
An arrow is shot at an angle such that it's horizontal velocity is 40 m/s and it's vertical velocity is 20 m/s. Find the horizontal distance the arrow will travel before hitting the ground.
Question 4:
A bolt requires 15 Nm or torque to loosen it. How much force needs to be applied to a 20 cm long wrench to loosen the bolt? Assume the force is applied perpendicular to the handle of the wrench.
Question 5:
A baseball is thrown such that it is in the air for 4 seconds and lands 100 m away. Find the initial vertical and horizontal components of the baseball's velocity.
On September 2nd, 2010, you come home after working long hours on your homework on "Intro to Astrophysics" and lemonade. To the south; you see the bright planet Jupiter about 58 degrees above the horizon. (a) What time is it? (b) Calculate the coordi..
The compressor of an air conditioner draws an electric current of 21.2 A when it starts up. If the start-up time is 1.75 s long, then how much electric charge passes through the circuit during this period?
An ocean liner leaves New York City and travels 37.0° north of east for 171 km. How far east and how far north has it disappeared? In other words, what are the magnitudes of the components of the ship's displacement vector in the directions.
A child, hunting for her favourite horse, is running on the ground around the edge of a stationary merry-go-round. The angular speed of the girl has a constant value of .250 rad/sec.
a curve in a road forms part of a horizontal circle. as a car goes around it at constant speed of 14m/s the horizontal total force on the driver has magnitude 147n, find the total horizontal force at the same curve
One of the first signs of sunburn is the reddening of the skin (called erythema). How many photons are incident on the skin in this amount of exposure
Starting from a rest a car accelerates at 2.3 m/s2 up a hill that is inclined 5.9 degrees above the horizontal. How far vertically has the car traveled in 15 seconds
A car takes 11 s to go from v = 0 to v = 75 m/s at approximately constant acceleration. If you wish to find the distance travelled using equation d = 1/2 at2, what value should you use for a.
A human cannonball with a mass of 70 kilogram receives a movement quantity (J) of 4 x 103 N(s) during 0.35 seconds. Obtain the force that acts upon the human cannonball
An ideal gas initially at 280 K undergoes an isobaric expansion at 2.50 kPa. The volume increases from 1.00 m3 to 3.00 m3 and 11.4 kJ is transferred to the gas by heat. What is the change in internal energy of the gas?
While looking at her image in a cosmetic mirror, Dina notes that her face is highly magnified when she is close to the mirror, but as she backs away from the mirror, What type of mirror does Dina have
You and your friend Peter are putting new shingles on a roof pitched at 23 degrees. with what speed should you push the box to have it gently come to rest right at the edge of the roof
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